93 research outputs found

    Teradata University Network: A New Resource for Teaching Large Data Bases and Their Applications

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    A free learning portal designed to help faculty to teach, learn, and connect with others in the fields of data warehousing, DSS/BI, and database is being made available by Teradata, a division of NCR. Teradata worked closely with leading academics to create the Teradata University Network (www.teradatauniversitynetwork.com). The network is reached by faculty through a portal that includes (1) course syllabi; (2) access to software; (2) Power Point presentations (with speaker\u27s notes); (4) cases, projects, and assignments (with teaching notes); (5) book chapters, articles, and research reports; (6) the Teradata library; (7) web-based courses; and (8) links to related sites. In addition, a separate portal for students, located at www.teradatastudentnetwork.com, leads to a subset of the above materials, including (1) access to software; (2) cases, projects, and assignments (without teaching notes); (3) book chapters, articles, and research reports; (4) the Teradata library; and (5) links to related sites. The student site excludes materials that are only for course instructors. This tutorial describes the creation of the Teradata University Network (TUN), discusses how faculty access and use TUN, describes how a faculty member might use it in a typical session, and faculty reactions to TUN. Special attention is given to the software available on TUN and TSN. It also discusses working with Teradata and TUN and provides lessons learned to help other faculty involved in vendor-supported initiatives

    The AMCIS 2003 Panels of IS Education-II: The Chicken and the Egg Debate: Positioning Database Content in the Information Systems Curriculum

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    This paper summarizes the results of a panel on how database content is covered in current university programs, with reference to the IS2002 model curriculum. Panelists included information systems (IS) faculty members who are actively involved in determining the coverage of database content at their institutions and in establishing academy-wide database content and technology resources. Topics included positioning database content in the overall curriculum, sequencing of content within the database course(s), and summary suggestions for tailoring database coverage at colleges and universities

    Plasma Metabolomic Profiles Reflective of Glucose Homeostasis in Non-Diabetic and Type 2 Diabetic Obese African-American Women

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    Insulin resistance progressing to type 2 diabetes mellitus (T2DM) is marked by a broad perturbation of macronutrient intermediary metabolism. Understanding the biochemical networks that underlie metabolic homeostasis and how they associate with insulin action will help unravel diabetes etiology and should foster discovery of new biomarkers of disease risk and severity. We examined differences in plasma concentrations of >350 metabolites in fasted obese T2DM vs. obese non-diabetic African-American women, and utilized principal components analysis to identify 158 metabolite components that strongly correlated with fasting HbA1c over a broad range of the latter (r = −0.631; p<0.0001). In addition to many unidentified small molecules, specific metabolites that were increased significantly in T2DM subjects included certain amino acids and their derivatives (i.e., leucine, 2-ketoisocaproate, valine, cystine, histidine), 2-hydroxybutanoate, long-chain fatty acids, and carbohydrate derivatives. Leucine and valine concentrations rose with increasing HbA1c, and significantly correlated with plasma acetylcarnitine concentrations. It is hypothesized that this reflects a close link between abnormalities in glucose homeostasis, amino acid catabolism, and efficiency of fuel combustion in the tricarboxylic acid (TCA) cycle. It is speculated that a mechanism for potential TCA cycle inefficiency concurrent with insulin resistance is “anaplerotic stress” emanating from reduced amino acid-derived carbon flux to TCA cycle intermediates, which if coupled to perturbation in cataplerosis would lead to net reduction in TCA cycle capacity relative to fuel delivery

    The Changing Landscape for Stroke\ua0Prevention in AF: Findings From the GLORIA-AF Registry Phase 2

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    Background GLORIA-AF (Global Registry on Long-Term Oral Antithrombotic Treatment in Patients with Atrial Fibrillation) is a prospective, global registry program describing antithrombotic treatment patterns in patients with newly diagnosed nonvalvular atrial fibrillation at risk of stroke. Phase 2 began when dabigatran, the first non\u2013vitamin K antagonist oral anticoagulant (NOAC), became available. Objectives This study sought to describe phase 2 baseline data and compare these with the pre-NOAC era collected during phase&nbsp;1. Methods During phase 2, 15,641 consenting patients were enrolled (November 2011 to December 2014); 15,092 were eligible. This pre-specified cross-sectional analysis describes eligible patients\u2019 baseline characteristics. Atrial fibrillation&nbsp;disease characteristics, medical outcomes, and concomitant diseases and medications were collected. Data were analyzed using descriptive statistics. Results Of the total patients, 45.5% were female; median age was 71 (interquartile range: 64, 78) years. Patients were from Europe (47.1%), North America (22.5%), Asia (20.3%), Latin America (6.0%), and the Middle East/Africa (4.0%). Most had high stroke risk (CHA2DS2-VASc [Congestive heart failure, Hypertension, Age&nbsp; 6575 years, Diabetes mellitus, previous Stroke, Vascular disease, Age 65 to 74 years, Sex category] score&nbsp; 652; 86.1%); 13.9% had moderate risk (CHA2DS2-VASc&nbsp;= 1). Overall, 79.9% received oral anticoagulants, of whom 47.6% received NOAC and 32.3% vitamin K antagonists (VKA); 12.1% received antiplatelet agents; 7.8% received no antithrombotic treatment. For comparison, the proportion of phase 1 patients (of N&nbsp;= 1,063 all eligible) prescribed VKA was 32.8%, acetylsalicylic acid 41.7%, and no therapy 20.2%. In Europe in phase 2, treatment with NOAC was more common than VKA (52.3% and 37.8%, respectively); 6.0% of patients received antiplatelet treatment; and 3.8% received no antithrombotic treatment. In North America, 52.1%, 26.2%, and 14.0% of patients received NOAC, VKA, and antiplatelet drugs, respectively; 7.5% received no antithrombotic treatment. NOAC use was less common in Asia (27.7%), where 27.5% of patients received VKA, 25.0% antiplatelet drugs, and 19.8% no antithrombotic treatment. Conclusions The baseline data from GLORIA-AF phase 2 demonstrate that in newly diagnosed nonvalvular atrial fibrillation patients, NOAC have been highly adopted into practice, becoming more frequently prescribed than VKA in&nbsp;Europe and North America. Worldwide, however, a large proportion of patients remain undertreated, particularly in&nbsp;Asia&nbsp;and North America. (Global Registry on Long-Term Oral Antithrombotic Treatment in Patients With Atrial Fibrillation [GLORIA-AF]; NCT01468701

    Institutional Labor Economics, the New Personnel Economics, and Internal Labor Markets: A Reconsideration

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    The author illustrates the utility of institutional labor economics and makes a case for a reconsideration of it. Two recent developments motivate this effort: the rise of New Personnel Economics (NPE) as a significant subfield of labor economics and the substantial shifts in work organization that have taken place since the 1990s. Understanding how and why firms have reorganized work opens the door for a renewed interest in institutional approaches. The author explains that the rules of institutional labor markets (ILMs) emerge from the competition between organizational interest groups—unions, personnel professionals, and the government—and competing views of firms’ objectives—resulting in the rise of ILMs, the slow diffusion of High Performance Work Systems, strategies used to obtain a high level of commitment from workers, the use of contingent employees, and the spread of new promotion rules in response to equal employment opportunity pressures. As such, the role of power and influence in establishing work rules is of central concern, though more conventional NPE considerations also remain important

    Modern systems analysis and design.

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    New Jerseyxxxii, 730 p.; 27 cm

    Modern systems analysis and design.

    No full text
    New Jerseyxxxii, 730 p.; 27 cm

    Modern Database Management

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    xxiii, 609 hlm

    Modern database management

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    For undergraduate and graduate database management courses. Provide the latest information in database development. Focusing on what leading database practitioners say are the most important aspects to database development, Modern Database Management presents sound pedagogy and includes topics that are critical for the practical success of database professionals. This text also continues to guide students into the future by presenting research that could reveal the next big thing in database management. The tenth edition reflects the major trends in information systems and helps students acquire the skills the need to be successful in today's database management field
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